You will need a 22 key.
1. Disconnect the wire from the "–" terminal of the battery.
2. Press the lock and disconnect the sensor and engine harness connectors.
3. Unscrew the sensor from the inlet pipe (for clarity, the intake pipe has been removed).
4. Install the sensor in the reverse order of removal. Make sure that no grease or dirt gets on the sensor tip and the wiring harness connector. Tighten the sensor to a torque of 40–45 N·m.
